package com.collection.vectors;

import java.util.Vector;

public class SearchAnElementFromSpecificIndexVectorExample {
	public static void main(String[] args) {
		   
	    //create a Vector object
	    Vector v = new Vector();
	   
	    //Add elements to Vector
	    v.add("1");
	    v.add("2");
	    v.add("3");
	    v.add("4");
	    v.add("5");
	    v.add("1");
	    v.add("2");
	 
	    /*
	      To search an index of specified element in Vector from specified index use
	      int indexOf(Object element, int startIndex) method.
	      This method returns the index of the first occurence of the specified
	      element after startIndex in Vector. It returns -1 if not found.
	    */
	 
	    int index = v.indexOf("1",4);
	    if(index == -1)
	      System.out.println("Vector does not contain 1 after index # 4");
	    else
	      System.out.println("Vector contains 1 after index # 4 at index #" + index);
	     
	    /*
	      To get last index of specified element after specified index in Vector use
	      int lastIndexOf(Object element, int startIndex) method.
	      This method returns index of the last occurrence of the
	      specified element after startIndex in Vector. It returns -1 if not found.
	    */
	 
	    int lastIndex = v.lastIndexOf("2" , 5);
	    if(lastIndex == -1)
	      System.out.println("Vector does not contain 2 after index # 5");
	    else
	      System.out.println("Last occurrence of 2  after index # 5 in Vector is at index #" + lastIndex);
	     
	  }   
}
